1-isobutyl-6,7-dihydro-1H-pyrano[4,3-d]thiazol-2(4H)-imine 、 ethyl 5-chloro-N-cyano-2-methoxybenzimidate 以
乙醇 为溶剂,
反应 16.0h,
以50%的产率得到5-chloro-N'-cyano-N-[(2Z)-1-isobutyl-1,4,6,7-tetrahydro-2H-pyrano[4,3-d][1,3]thiazol-2-ylidene]-2-methoxybenzenecarboximidamide